1998AS4

17730, 1999NR14, J98A04S, J99N14R

All data for this body: [vot]

MPC data
Name (number) 1998AS4 (17730)
Packed designation 17730
a 2.42674
e 0.13880
i / sin(i) 11.0992 / 0.19251
q 2.08990
Q 2.76358
ω 235.9244
Node 303.7859
m 79.0069
n 0.2607
Epoch 2459600.5
nobs 2805
nopp 18
Years observed 1992-2021
rms 0.38
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.427
ep 0.181
sin(ip) 0.209
Value Standard error
G 0.150
H 13.050
Mass
D 7.40 0.042
pV 0.175 0.0238
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4269 0.1812 0.2093 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.65 0.880 0.880 Masiero 2012ApJ...759L...8M NEATM
6.90 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
7.67 0.052 0.052 Masiero 2011ApJ...741...68M NEATM
8.11 0.680 0.680 Usui 2011PASJ...63.1117U NEATM
8.57 1.710 1.710 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0285 0.0285 Masiero 2011ApJ...741...68M NEATM
0.181 0.0720 0.0720 Ali-Lagoa 2018A&A...612A..85A NEATM
0.220 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM
0.296 0.1320 0.1320 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.05 MPC-2022-01-18 MPC-2022-01-18 Phot